In northeastern Brazil, authorities issued flash flood warnings after a pair of dams collapsed Saturday night amid heavy rainfall. Officials say the floods have driven over 35,000 people from their homes. Parts of Bahia state have received rainfall that is six times greater than the December average. 

Here in the United States, hundreds of temperature records fell over the Christmas holiday weekend as Texas and southeastern states experienced spring-like conditions. Dallas-Fort Worth airport hit 82 degrees on Saturday — a Christmas record for North Texas, and just seven degrees cooler than the high on the Fourth of July.